Aida District, Okayama

Aida (英田郡) is a district located in Okayama Prefecture, Japan.

As of 2003, the district has an estimated population of 31,845 and a density of 79.65 persons per km2. The total area is 399.83 km2.

Towns and villages
Aida District consists of the following village:
 * Nishiawakura

History
Prior to March 31, 2005, Aida District included


 * Aida
 * Higashiawakura
 * Mimasaka
 * Nishiawakura
 * Ōhara
 * Sakutō

On that date, all but Nishiawakura merged to form the new city of Mimasaka.